What is Venom Immunotherapy?
Venom immunotherapy (VIT) is a highly effective, long-term treatment for individuals with severe allergic reactions (anaphylaxis) to insect stings from hymenoptera species including:
- Honeybees
- Mixed vespids (yellow jackets, white-faced hornets, yellow hornet)
- Paper wasps
- Fire ants (separate protocol)
VIT helps your immune system become tolerant to insect venom, reducing the risk of severe reactions to future stings.
Benefits of VIT:
- >90% effective in preventing life-threatening reactions to stings
- Reduced anxiety around insect exposure
- Can provide lifelong protection after treatment completion
- Significantly lowers risk of anaphylaxis on re-sting
Risks and Side Effects:
While VIT is generally safe, possible side effects include:
Local reactions (common):
- Redness, swelling, or itching at the injection site
- Typically resolve within hours
Systemic Reactions (rare):
- Hives, flushing, and nasal symptoms
- Asthma symptoms
- Anaphylaxis (occurs <1% of injections, emergency care protocols are in place)
Delayed Reactions:
- Fatigue, low-grade fever, or generalized itch hours later (rare)
All patients are monitored for 30 minutes after each injection.
Length of Treatment:
- Build-up Phase: 1-3 months (or longer depending on protocol)
- Maintenance Phase: Continued for 3-5 years
- High-risk patients, lifelong therapy may be considered
Frequently Asked Questions (FAQs):
Will I still need to carry an epinephrine auto-injector?
- Yes, even with VIT, accidental stings can still cause mild to moderate reactions. Carry your auto-injector at all times.
Can I stop VIT early?
- Completing at least 3-5 years is strongly recommended for long term protection. Early discontinuation may increase risk of relapse.
Can children receive venom immunotherapy?
- Yes. VIT is safe and effective in children and reduces the risk of future severe reactions.
Is it safe during pregnancy?
- VIT can be continued during pregnancy but it is not typically started during pregnancy unless the risk of sting exposure is very high.
What if I miss a dose?
- Contact our office. A missed dose may require adjusting your next injection dose for safety.
Does insurance cover VIT?
- Most insurance plans cover venom immunotherapy. Our team can assist with any insurance questions.